Back to the Structural and Dynamical Properties of Neutral-Ionic Phase Transitions

Autor: Marylise Buron-Le Cointe, Eric Collet, Bertrand Toudic, Piotr Czarnecki, Hervé Cailleau

Publikováno v: Crystals, Vol 7, Iss 10, p 285 (2017)

Although the Neutral-Ionic transition in mixed stack charge-transfer crystals was discovered almost forty years ago, many features of this intriguing phase transition, as well as open questions, remain at the heart of today’s science. First of all,

Externí odkaz: https://doaj.org/article/312c069d6420434d9e72ee2905e56e69

Dynamical limits by downsizing for the photo-induced switching in a molecular material revealed by time-resolved X-ray diffraction

Autor: Yang F, Jacek Kubicki, Cristian Enachescu, A. Volte, Céline Mariette, Elzbieta Trzop, Matteo Levantino, Eric Collet, Marie-Laure Boillot, Marco Cammarata, Maciej Lorenc, Hervé Cailleau, Corraze B, Roman Bertoni, X. Dong, Michael Wulff, Laurentiu Stoleriu

Cooperative molecular switching at the solid state is exemplified by spin crossover phenomenon in crystals of transition metal complexes. Time-resolved studies with temporal resolutions that separate molecular level dynamics from macroscopic changes,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2f36b7df10a1568e682f9039ce606e43
https://hal.science/hal-03447715/document

Strain wave pathway to semiconductor-to-metal transition revealed by time-resolved X-ray powder diffraction

Autor: Simon Ebner, Majed Chergui, Hervé Cailleau, Paul Beaud, Henrik T. Lemke, Eric Collet, Gerhard Ingold, Alexei Bosak, Andrej Babic, Dmitry Ozerov, S. Vetter, Laurent Cario, Roman Bertoni, Laurent Guérin, Pavle Juranić, Michael Wulff, Giulia F. Mancini, Vincent Esposito, T. Zmofing, Alexander Roland Oggenfuss, Aldo Mozzanica, Shin-ichi Ohkoshi, Yunpei Deng, Maciej Lorenc, Ivan Usov, Serhane Zerdane, Matteo Levantino, Akos Schreiber, Marco Cammarata, Roman Mankowsky, Elzbieta Trzop, Rolf Follath, P. Böhler, Céline Mariette, S. Redford, C. Svetina, Olivier Hernandez, Leonardo Sala, A. Volte, X. Dong, L. Patthey, Hiroko Tokoro, V. Ta Phuoc, B. Lépine, A. Keller, Etienne Janod

Publikováno v: Nature Communications
'Nature Communications ', vol: 12, pages: 1239-1-1239-11 (2021)
Nature Communications, Vol 12, Iss 1, Pp 1-11 (2021)
Nature Communications, Nature Publishing Group, 2021, 12 (1), pp.1239. ⟨10.1038/s41467-021-21316-y⟩
Nature Communications, 2021, 12 (1), pp.1239. ⟨10.1038/s41467-021-21316-y⟩

Thanks to the remarkable developments of ultrafast science, one of today's challenges is to modify material state by controlling with a light pulse the coherent motions that connect two different phases. Here we show how strain waves, launched by ele

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b8eaac90d4c4524f2e22345589a1da72
https://pubmed.ncbi.nlm.nih.gov/33623010

Finite Size Effects on the Switching Dynamics of Spin-Crossover Thin Films Photoexcited by a Femtosecond Laser Pulse

Autor: Victoria Shalabaeva, Lionel Salmon, Hervé Cailleau, Roman Bertoni, Gábor Molnár, Karl Ridier, Maciej Lorenc, Azzedine Bousseksou, William Nicolazzi, Alin-Ciprian Bas, Eric Collet

Publikováno v: Advanced Materials
Advanced Materials, 2019, 31 (25), pp.1901361. ⟨10.1002/adma.201901361⟩
Advanced Materials, Wiley-VCH Verlag, 2019, 31 (25), pp.1901361. ⟨10.1002/adma.201901361⟩

Using ultrafast optical absorption spectroscopy, the room-temperature spin-state switching dynamics induced by a femtosecond laser pulse in high-quality thin films of the molecular spin-crossover (SCO) complex [Fe(HB(tz)3)2] (tz = 1,2,4-triazol-1-yl)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bdeb11be461bbc9fcf18838167894b41
https://univ-rennes.hal.science/hal-02161140/document

Back to the Structural and Dynamical Properties of Neutral-Ionic Phase Transitions

Autor: Bertrand Toudic, Hervé Cailleau, Eric Collet, Piotr Czarnecki, Marylise Buron-Le Cointe

Publikováno v: Crystals
Crystals, MDPI, 2017, 7 (10), ⟨10.3390/cryst7100285⟩
Crystals, Vol 7, Iss 10, p 285 (2017)
Crystals, 2017, 7 (10), ⟨10.3390/cryst7100285⟩

International audience; Although the Neutral-Ionic transition in mixed stack charge-transfer crystals was discovered almost forty years ago, many features of this intriguing phase transition, as well as open questions, remain at the heart of today's

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0e03c47c5c21843f61cce4f2ea3a1747
https://hal.archives-ouvertes.fr/hal-01596593